Mazda CX-5 Service & Repair Manual: Throttle Body

Mazda CX-5 Service & Repair Manual / Engine / Control / Throttle Body

Purpose, Function

Opens/closes the throttle valve to adjust the amount of air supplied to the cylinder.
Opens/closes the throttle valve according to the control signal from the PCM.

Construction

The throttle body is installed to the intake manifold.
The throttle body consists of a throttle valve, throttle valve actuator, TP sensor, and return spring.
For the throttle position sensor, refer to CONTROL SYSTEM..

Operation

The throttle valve actuator opens/closes the throttle valve according to the control signal from the PCM. If there is a malfunction in the throttle valve actuator, the throttle valve is closed by the return spring in the throttle body.
For the drive-by-wire control, refer to CONTROL SYSTEM..

Fail-safe


DTC	Fail-safe
P2101:00	Stops the idle air control. Stops the drive-by-wire control and sets to a throttle valve opening angle necessary for minimum driveability.
P2107:00	Stops the idle air control. Stops the drive-by-wire control and sets to a throttle valve opening angle necessary for minimum driveability.
P2110:00	Stops the idle air control. Stops the drive-by-wire control and sets to a throttle valve opening angle necessary for minimum driveability.
P2112:00	Stops the idle air control. Stops the drive-by-wire control and sets to a throttle valve opening angle necessary for minimum driveability.
P2119:00	Restricts the upper limit of the engine speed.

Throttle Body Inspection

Resistance Inspection 1. Disconnect the negative battery cable.. 2. Disconnect the throttle body connector. 3. Measure the resistance between throttle body terminals E and F. Throttle bo ...

Throttle Position (TP) Sensor Inspection

Voltage Inspection CAUTION: The inspection cannot be performed with this method correctly if there is a malfunction of the APP sensor or throttle valve actuator. Verify that no DTCs rel ...

Other materials:

Auxiliary Jack/Usb Port Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the upper console.. 3. While pressing the auxiliary jack/USB port. tabs in the direction of the arrows (1) shown in the figure, press the auxiliary jack/USB port. in the direction of the arrow (2) to detach the auxiliary jack/USB port. tab ...

Manifold Absolute Pressure (Map) Sensor
Purpose/Function Detects the intake air pressure introduced into the cylinder as basic information for mainly determining the fuel injection amount. Detects the intake air pressure introduced into the cylinder and inputs it to the PCM as an intake air pressure signal. Cons ...

Fuel Pump Control Module Inspection
1. Perform the KOEO self-test.. 2. Verify that a fuel pump control module related DTC is detected.. If DTCs are detected, repair the malfunctioning part according to the applicable DTC troubleshooting.. If a DTC is not detected, go to the next step. 3. Inspect the followin ...